Exterior surface configuration of an air compressor cover



FIG. 1 is a perspective view of the exterior surface configuration of an air compressor cover, looking down at the top and right side thereof, the other components of a power operated air compressor assembly in which the cover is embodied being shown in phantom lines;

FIG. 2 is an another perspective view looking down on the top and left side thereof without the phantom line showing;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

It being understood that the broken lines are for illustrative purposes only. 

The ornamental design for an exterior surface configuration of an air compressor cover, as shown and described. 